Add missing WinCacheClassLoader
merged branch Smart-Core/master (PR #7076)

This PR was merged into the master branch.

Discussion
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[2.3] Add missing WinCacheClassLoader

Commits
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af86e5b Add missing WinCacheClassLoader
[ClassLoader] added missing CHANGELOG entry for previous merge
Merge remote-tracking branch 'symfony/master' into develop

Conflicts:
	CHANGELOG.md
Removing apc and xcache from ComposerClassLoader
Replacing __DIR__ with dirname(__FILE__)
Prepping for upgrade to PHP 5.2 minimum
Minor cleanups
Merge branch 'develop'